Sycamore: deal with rotated tables.

[alexaryn]

No description provided.

[bsowell]

Can we have a few tests? I would think it would be feasible to create a pdf with an otherwise straightforward table rotated a few different ways and then check that the extraction does what we expect.

[Copilot]

Pull Request Overview

This PR introduces utilities and modifications to better handle rotated tables in image documents. Key changes include:

• New rotation helper functions in rotation.py to support image and coordinate rotations.
• Enhancements in table structure extraction and text extraction, including handling of font size and additional vector data.
• Improved TableElement handling with a new shallow copy method and updated rotation logic in table extraction.

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
lib/sycamore/sycamore/utils/rotation.py	Introduces rotation utility functions for images, coordinates, and bounding boxes.
lib/sycamore/sycamore/transforms/text_extraction/text_extractor.py	Updates text extraction to incorporate font size and vector properties.
lib/sycamore/sycamore/transforms/table_structure/extract.py	Adds rotated_table and modifications to apply table rotation adjustments during extraction.
lib/sycamore/sycamore/transforms/detr_partitioner.py	Modifies token processing to include vector data and iterates page elements by index for in-place updates.
lib/sycamore/sycamore/data/element.py	Introduces a new shallow copy method for TableElement.